Top 10 Best DIY Class D Amplifier 2022 – Review & Guide

• PAM8406 amplify module: working voltage: DC 5V; Output power: 5W (2Ω 5V)/3W (4Ω 5V)/1.8W (8Ω 5V); Input method: audio monaural input
• Characteristics: audio amplifier board has an efficiency of over 90%, which will extend the battery life and can be applied to portable applications; The PAM8406 provides comprehensive protection against faults with short-circuit protection and thermal protection
• Reliable quality: PAM8406 amplifier module is made of noble black immersion gold circuit board, compatible with KEMET audio capacitor, filter capacitors with large capacity per channel; Pure copper and gold-plated audio input terminals are included
• Applications: digital power amplifier board is widely applicable to LCD TVs, Multimedia speakers, AM/FM system,s and DABs
• Package contents: you will get 2 pieces of audio amplifier boards, sufficient quantity to meet your various demands

• Powered by a USA Designed Texas Instruments TPA3118 producing clean, efficient audio with detail
• A solid performer that’s economically priced and compact sized
• 3.5 mm stereo jack and Gold-plated RCA inputs
• Lightweight aluminum enclosure with mounting tabs
• 12 VDC, 3A power supply included

• ORIGINAL Tripath TA2020-020 amplifier chip provides efficient, powerful sound
• LIMITED SUPPLY will impact pricing
• The compact size makes this amplifier great for projects and DIY audio applications
• 3.5mm Input, Gold Plated RCA Connectors, and Improved Speaker Connectors for Superior Signal Conductivity
• 12 Volt 5 Amp power supply included

• Ultra-efficient amplifier with 2 x 30-watt stereo output and an additional 80-watt passive subwoofer output – perfect for home theaters, listening rooms, Hi-Fi, DIY and small offices
• Front panel subvolume, tone/direct, treble, bass, and master volume controls provide the user with the ability to easily dial in their preferred listening preferences
• Variety of inputs including Bluetooth 5.0, stereo RCA, and 3.5mm Aux provide flexible application options
• Includes Quality DC Power Supply and a rear USB 5VDC charging output and Speaker Spring terminals make connecting speakers fast and easy
• Lighted Master Volume indicates power ON and listening mode – white for Line In and blue for Bluetooth operation – a sleek black aluminum enclosure is aesthetically attractive and unobtrusive

• Parameters: DROK audio amplifier board working voltage is DC 5V, the output power is 5W (2Ω 5V)/3W (4Ω 5V) / 1.8W (8Ω 5V). The input method is monaural input.
• Artificial Material: this New-designed mini power amplifier is made of noble black immersion gold circuit board, imported KEMET speaker capacitor, large-capacity filter capacitor for channels. Besides, we customized black copper terminal blocks and gold-plated audio input terminal blocks for this new amplifier module.
• High Performance: the digital amplifier module is with high efficiency of over 90%, general harmonic distortion noise is less than 10%, low quiescent current, and noise suppression.
• Safe Protection: the class D dual-channel amp board is designed with input reverse connection protection, short circuit protection, overheat protection; what’s more, EMI is allowed to pass.
• Additional Function: it is available to connect amplifier type to choose different functions1 (MODE: high electricity level is Type D, low electricity level is Type AB. Factory defaults high electricity level); available to add an external Shutdown (SD: the chip will be Shutdown at low electricity level, factory default high electricity level.

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• Uses a TPA3118 to produce clean, efficient audio with detail
• Economical price and a tremendous performer
• The compact size makes this amplifier great for projects and DIY audio applications
• 3.5 mm stereo jack connects easily to most any iPod, smartphone, or tablet
• Use RCA jacks to connect to CD players, TVs, or streaming media players

• PARAMETER — operating voltage DC 9V-18V, recommend DC 12V; max output power 2x35W (18V/4Ohm); can be connected 4~8 ohms speakers.
• PROPERTY — class AB, 2.0 dual channel.
• INPUT METHOD — 3.5mm audio cable input.
• PROTECTION — input reverse connection protection; short-circuit protection; over-current protection; over-temperature protection.
• FEATURES — volume adjustment knob; noble black immersion gold circuit board; KEMET speaker capacitor, large-capacity filter capacitor for channels; black copper terminal blocks; gold-plated audio input terminal blocks.

• UNIQUE APPEARANCE-All aluminum front-panel by precise CNC machining, all-aluminum cover with sandblasting treatment, innovative circle-type power light.
• FEATURES-Overvoltage protection(Over DC14.4V), short-circuit protection, time-delay circuit design to avoid momentary shock damage to speaker boxes.
• State-of-the-art design using surface mount components and advanced engineering for proven performance, reduced signal interference, and long operational life.
• APPLICATION-Be suitable for ipad,cellphone,MP3 player,CD player, dataplay, computer, decoder,etc.
• PRODUCT SPECIFICATION-Size(LxWxH):140x118x41cm,net weight:260g,input power: DC 12~13.5V 3A,output power:20Wx2RMS.

• 【Output Power of ZK-502L】This little thing smaller than a card can output up to 50w*2 power (peak power). Wide voltage input: DC 5-24V, common power adapter can supply power for it. It is recommended to use a DC power supply between 12-20V.
• 【Bluetooth 5.0】User Can Directly Connect with Wireless Bluetooth 5.0 without Password
• 【Easy Installation and Short Start-up Sound】The Illustration Of Each Interface Is Printed On The Protective Plate, Making It Easy To Install Even Without Instructions. The Sound of The Amp Board To Start And Connect To Bluetooth Is Short.
• 【PROTECTIVE FUNCTION】Over Protective Function: This BT Amp Is Designed with Protective Case, Over-heat Protection, Short-circuit Protection
• 【BUY WITH EASE】We are committed to quality and customer service. 24/7, if you need any help. We will provide you with a 100% satisfactory solution.

• 【CHIP】TPA3116 HIFI Chip with AM Interference Suppression Function, 50W*2 Peak Power Output
• 【WIDE INPUT VOLTAGE RANGE】DC 5V-24V with 5.5 * 2.1mm Interface, Laptop Power Supply Is a Good Choice
• 【Bluetooth &AUX INPUT】User Can Directly Connect with Wireless Bluetooth 5.0, or Choose The 3.5MM Headphone (Line in) Way
• 【PROTECTIVE FUNCTION】Over-voltage Protection, Under-voltage Protection, Over-heat Protection, Short-circuit Protection, This means that the Bluetooth amplifier board is not easily damaged
• 【NOTE】Adequate Output Power Is Required When The Audio Input Is Sufficient And The Power Supply Voltage/Current Is Sufficient, The Relative Power Will Be Higher. Different Impedance Horns Will Have Different Output Power. In The Case Of Sufficient Voltage And Current, The Larger The Impedance Horn, The Smaller The Relative Sound Power, Please Pay Attention!